All of the zombies are the same exact speed. I do not have screen shots but can produce some if you wish. By typing cl_showpos 1 in console you can see the speed at which your character is moving. I played as each zombie class and they were exactly 250. 250 is the same speed at which a human moves with a knife. I do not know about the +jump of bloodsucker, but I don't think that works either. +hp works as posted however.